diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_screen.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_screen.c | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_screen.c b/src/mesa/drivers/dri/nouveau/nouveau_screen.c new file mode 100644 index 0000000000..2cf6f979e4 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_screen.c @@ -0,0 +1,382 @@ +/************************************************************************** + +Copyright 2006 Stephane Marchesin +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +on the rights to use, copy, modify, merge, publish, distribute, sub +license, and/or sell copies of the Software, and to permit persons to whom +the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice (including the next +paragraph) shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL +ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM, +DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +#include "glheader.h" +#include "imports.h" +#include "mtypes.h" +#include "framebuffer.h" +#include "renderbuffer.h" + +#include "nouveau_context.h" +#include "nouveau_screen.h" +#include "nouveau_object.h" +#include "nouveau_span.h" + +#include "utils.h" +#include "context.h" +#include "vblank.h" +#include "drirenderbuffer.h" + +#include "GL/internal/dri_interface.h" + +#include "xmlpool.h" + +PUBLIC const char __driConfigOptions[] = +DRI_CONF_BEGIN + DRI_CONF_SECTION_DEBUG + DRI_CONF_NO_RAST(false) + DRI_CONF_SECTION_END +DRI_CONF_END; +static const GLuint __driNConfigOptions = 1; + +extern const struct dri_extension common_extensions[]; +extern const struct dri_extension nv10_extensions[]; +extern const struct dri_extension nv20_extensions[]; +extern const struct dri_extension nv30_extensions[]; +extern const struct dri_extension nv40_extensions[]; +extern const struct dri_extension nv50_extensions[]; + +static nouveauScreenPtr nouveauCreateScreen(__DRIscreenPrivate *sPriv) +{ + nouveauScreenPtr screen; + NOUVEAUDRIPtr dri_priv=(NOUVEAUDRIPtr)sPriv->pDevPriv; + + /* allocate screen */ + screen = (nouveauScreenPtr) CALLOC( sizeof(*screen) ); + if ( !screen ) { + __driUtilMessage("%s: Could not allocate memory for screen structure",__FUNCTION__); + return NULL; + } + + screen->card=nouveau_card_lookup(dri_priv->device_id); + if (!screen->card) { + __driUtilMessage("%s: Unknown card type 0x%04x:0x%04x\n", + __func__, dri_priv->device_id >> 16, dri_priv->device_id & 0xFFFF); + FREE(screen); + return NULL; + } + + /* parse information in __driConfigOptions */ + driParseOptionInfo (&screen->optionCache,__driConfigOptions, __driNConfigOptions); + + screen->fbFormat = dri_priv->bpp / 8; + screen->frontOffset = dri_priv->front_offset; + screen->frontPitch = dri_priv->front_pitch; + screen->backOffset = dri_priv->back_offset; + screen->backPitch = dri_priv->back_pitch; + screen->depthOffset = dri_priv->depth_offset; + screen->depthPitch = dri_priv->depth_pitch; + + screen->driScreen = sPriv; + return screen; +} + +static void +nouveauDestroyScreen(__DRIscreenPrivate *sPriv) +{ + nouveauScreenPtr screen = (nouveauScreenPtr)sPriv->private; + + if (!screen) return; + + /* free all option information */ + driDestroyOptionInfo (&screen->optionCache); + + FREE(screen); + sPriv->private = NULL; +} + +static GLboolean nouveauInitDriver(__DRIscreenPrivate *sPriv) +{ + sPriv->private = (void *) nouveauCreateScreen( sPriv ); + if ( !sPriv->private ) { + nouveauDestroyScreen( sPriv ); + return GL_FALSE; + } + + return GL_TRUE; +} + +/** + * Create the Mesa framebuffer and renderbuffers for a given window/drawable. + * + * \todo This function (and its interface) will need to be updated to support + * pbuffers. + */ +static GLboolean +nouveauCreateBuffer(__DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap) +{ + nouveauScreenPtr screen = (nouveauScreenPtr) driScrnPriv->private; + nouveau_renderbuffer *nrb; + struct gl_framebuffer *fb; + const GLboolean swAccum = mesaVis->accumRedBits > 0; + const GLboolean swStencil = mesaVis->stencilBits > 0 && mesaVis->depthBits != 24; + GLenum color_format = screen->fbFormat == 4 ? GL_RGBA8 : GL_RGB5; + + if (isPixmap) + return GL_FALSE; /* not implemented */ + + fb = _mesa_create_framebuffer(mesaVis); + if (!fb) + return GL_FALSE; + + /* Front buffer */ + nrb = nouveau_renderbuffer_new(color_format, + driScrnPriv->pFB + screen->frontOffset, + screen->frontOffset, + screen->frontPitch * screen->fbFormat, + driDrawPriv); + nouveauSpanSetFunctions(nrb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &nrb->mesa); + + if (0 /* unified buffers if we choose to support them.. */) { + } else { + if (mesaVis->doubleBufferMode) { + nrb = nouveau_renderbuffer_new(color_format, NULL, + 0, 0, + NULL); + nouveauSpanSetFunctions(nrb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &nrb->mesa); + } + + if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) { + nrb = nouveau_renderbuffer_new(GL_DEPTH24_STENCIL8_EXT, NULL, + 0, 0, + NULL); + nouveauSpanSetFunctions(nrb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &nrb->mesa); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &nrb->mesa); + } else if (mesaVis->depthBits == 24) { + nrb = nouveau_renderbuffer_new(GL_DEPTH_COMPONENT24, NULL, + 0, 0, + NULL); + nouveauSpanSetFunctions(nrb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &nrb->mesa); + } else if (mesaVis->depthBits == 16) { + nrb = nouveau_renderbuffer_new(GL_DEPTH_COMPONENT16, NULL, + 0, 0, + NULL); + nouveauSpanSetFunctions(nrb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &nrb->mesa); + } + } + + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* color */ + GL_FALSE, /* depth */ + swStencil, + swAccum, + GL_FALSE, /* alpha */ + GL_FALSE /* aux */); + + driDrawPriv->driverPrivate = (void *) fb; + return (driDrawPriv->driverPrivate != NULL); +} + + +static void +nouveauDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); +} + +static int +nouveauGetSwapInfo(__DRIdrawablePrivate *dpriv, __DRIswapInfo *sInfo) +{ + return -1; +} + +static const struct __DriverAPIRec nouveauAPI = { + .InitDriver = nouveauInitDriver, + .DestroyScreen = nouveauDestroyScreen, + .CreateContext = nouveauCreateContext, + .DestroyContext = nouveauDestroyContext, + .CreateBuffer = nouveauCreateBuffer, + .DestroyBuffer = nouveauDestroyBuffer, + .SwapBuffers = nouveauSwapBuffers, + .MakeCurrent = nouveauMakeCurrent, + .UnbindContext = nouveauUnbindContext, + .GetSwapInfo = nouveauGetSwapInfo, + .GetMSC = driGetMSC32, + .WaitForMSC = driWaitForMSC32, + .WaitForSBC = NULL, + .SwapBuffersMSC = NULL, + .CopySubBuffer = nouveauCopySubBuffer +}; + + +static __GLcontextModes * +nouveauFillInModes( unsigned pixel_bits, unsigned depth_bits, + unsigned stencil_bits, GLboolean have_back_buffer ) +{ + __GLcontextModes * modes; + __GLcontextModes * m; + unsigned num_modes; + unsigned depth_buffer_factor; + unsigned back_buffer_factor; + int i; + + static const struct { + GLenum format; + GLenum type; + } fb_format_array[] = { + { GL_RGB , GL_UNSIGNED_SHORT_5_6_5 }, + { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV }, + { GL_BGR , GL_UNSIGNED_INT_8_8_8_8_REV }, + }; + + /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't + * support pageflipping at all. + */ + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML + }; + + uint8_t depth_bits_array[4] = { 0, 16, 24, 24 }; + uint8_t stencil_bits_array[4] = { 0, 0, 0, 8 }; + + depth_buffer_factor = 4; + back_buffer_factor = (have_back_buffer) ? 3 : 1; + + num_modes = ((pixel_bits==16) ? 1 : 2) * + depth_buffer_factor * back_buffer_factor * 4; + modes = (*dri_interface->createContextModes)(num_modes, + sizeof(__GLcontextModes)); + m = modes; + + for (i=((pixel_bits==16)?0:1);i<((pixel_bits==16)?1:3);i++) { + if (!driFillInModes(&m, fb_format_array[i].format, + fb_format_array[i].type, + depth_bits_array, + stencil_bits_array, + depth_buffer_factor, + back_buffer_modes, + back_buffer_factor, + GLX_TRUE_COLOR)) { + fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", + __func__, __LINE__ ); + return NULL; + } + + if (!driFillInModes(&m, fb_format_array[i].format, + fb_format_array[i].type, + depth_bits_array, + stencil_bits_array, + depth_buffer_factor, + back_buffer_modes, + back_buffer_factor, + GLX_DIRECT_COLOR)) { + fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", + __func__, __LINE__ ); + return NULL; + } + } + + return modes; +} + + +/** + * This is the bootstrap function for the driver. libGL supplies all of the + * requisite information about the system, and the driver initializes itself. + * This routine also fills in the linked list pointed to by \c driver_modes + * with the \c __GLcontextModes that the driver can support for windows or + * pbuffers. + * + * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on + * failure. + */ +PUBLIC +void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc, + const __GLcontextModes * modes, + const __DRIversion * ddx_version, + const __DRIversion * dri_version, + const __DRIversion * drm_version, + const __DRIframebuffer * frame_buffer, + drmAddress pSAREA, int fd, + int internal_api_version, + const __DRIinterfaceMethods * interface, + __GLcontextModes ** driver_modes) + +{ + __DRIscreenPrivate *psp; + static const __DRIversion ddx_expected = { 1, 2, 0 }; + static const __DRIversion dri_expected = { 4, 0, 0 }; + static const __DRIversion drm_expected = { 0, 0, NOUVEAU_DRM_HEADER_PATCHLEVEL }; +#if NOUVEAU_DRM_HEADER_PATCHLEVEL != 9 +#error nouveau_drm.h version doesn't match expected version +#endif + dri_interface = interface; + + if (!driCheckDriDdxDrmVersions2("nouveau", + dri_version, & dri_expected, + ddx_version, & ddx_expected, + drm_version, & drm_expected)) { + return NULL; + } + + // temporary lock step versioning + if (drm_expected.patch!=drm_version->patch) { + __driUtilMessage("%s: wrong DRM version, expected %d, got %d\n", + __func__, + drm_expected.patch, drm_version->patch); + return NULL; + } + + psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, + ddx_version, dri_version, drm_version, + frame_buffer, pSAREA, fd, + internal_api_version, &nouveauAPI); + if ( psp != NULL ) { + NOUVEAUDRIPtr dri_priv = (NOUVEAUDRIPtr)psp->pDevPriv; + + *driver_modes = nouveauFillInModes(dri_priv->bpp, + (dri_priv->bpp == 16) ? 16 : 24, + (dri_priv->bpp == 16) ? 0 : 8, + 1 + ); + + /* Calling driInitExtensions here, with a NULL context pointer, does not actually + * enable the extensions. It just makes sure that all the dispatch offsets for all + * the extensions that *might* be enables are known. This is needed because the + * dispatch offsets need to be known when _mesa_context_create is called, but we can't + * enable the extensions until we have a context pointer. + * + * Hello chicken. Hello egg. How are you two today? + */ + driInitExtensions( NULL, common_extensions, GL_FALSE ); + driInitExtensions( NULL, nv10_extensions, GL_FALSE ); + driInitExtensions( NULL, nv10_extensions, GL_FALSE ); + driInitExtensions( NULL, nv30_extensions, GL_FALSE ); + driInitExtensions( NULL, nv40_extensions, GL_FALSE ); + driInitExtensions( NULL, nv50_extensions, GL_FALSE ); + } + + return (void *) psp; +} + |